And finally: Amazon HoloLens rival incoming and more

Everyone loves a good rumour. And we've got a few for you in this week's And finally, along with a couple of news tidbits, from another busy seven days in the week of wearable tech.

We kick off with a biggie...

Amazon AR headset in the works

According to a patent discovered by Tech Week Europe, Jeff Bezos and the gang could be cooking up an Amazon AR headset to take on the likes of Google and Microsoft.

The patent, which dates back a couple of years, refers to a "single-touch immersion control of head-mounted display (HMD) system" that "outputs video from an electronic device to a HMD system that includes a display layer and a variable-transparency layer."

And an Asus one too

Hold up. It's not just Amazon looking to get in on the digital reality headset revolution. According to a report over on Cnet, Asus is talking with Microsoft the about building its own, cheaper, version of HoloLens.

"Everything we're doing in hardware, we do with the mind of how do we grow the Windows ecosystem," Terry Myerson, Microsoft's executive vice president of Windows and devices told Cnet. "That is why we're investing to create a category."

Fitbit trackers hackable

It was panic stations for Fitbit fans worldwide this week as security company Fortinet said the company's trackers were susceptible for cyber attacks.

Senior Fortinet researcher Axelle Apvrille told Engadget an infection could be carried out in less than ten seconds. "You don't need physical access (to the tracker), but you do need to be close (Bluetooth range). It does not matter if it is paired (to another device) or not," she said.

However, Fitbit has since stated: "We believe that security issues reported today are false, and that Fitbit devices can't be used to infect users with malware."

Apple Watch battery boost

Alongside iOS 9.1, Apple went live with watchOS 2.0.1 this week, adding new emojis, performance improvements, and also addressing bug issues. The latest software also promises to improve the smartwatch's battery life.

To get the latest firmware, fire up the Watch app on your iPhone, then go to Settings and Software update. Easy.